Title
Given an array and the size of the sliding window, sliding window to find the maximum value among all values.
For example, if the input array size and {2,3,4,2,6,2,5,1} 3 sliding window, then the presence of a total of six sliding window, their maximum values is {4,4,6, 6,6,5};
{2,3,4,2,6,2,5,1} for arrays sliding window has the following six:
{[2,3,4], 2,6,2,5,1},
{2, [3,4,2], 6,2,5,1},
{2,3, [4,2,6], 2, 5},
{2,3,4, [2,6,2 ], 5,1},
{2,3,4,2, [6,2,5], 1},
{2,3,4,2,6, [2, 5]}.
Thinking